RecruitingDrug trialA Study to Evaluate the Safety, Pharmacokinetics, Pharmacodynamics, and Antitumor Activity of INV-9956 in Adult Patients With Advanced Metastatic Castration Resistant Prostate CancerThis is a Phase 1 and Phase 2 study to evaluate the safety and antitumor activity of INV-9956 in adult patients with advanced metastatic Castration Resistant Prostate Cancer.